EP2175179A4 - Sealing device - Google Patents

Sealing device

Info

Publication number
EP2175179A4
EP2175179A4 EP08792186A EP08792186A EP2175179A4 EP 2175179 A4 EP2175179 A4 EP 2175179A4 EP 08792186 A EP08792186 A EP 08792186A EP 08792186 A EP08792186 A EP 08792186A EP 2175179 A4 EP2175179 A4 EP 2175179A4
Authority
EP
European Patent Office
Prior art keywords
sealing device
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08792186A
Other languages
German (de)
French (fr)
Other versions
EP2175179A1 (en
Inventor
Shinobu Munekata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nok Corp
Original Assignee
Nok Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nok Corp filed Critical Nok Corp
Publication of EP2175179A1 publication Critical patent/EP2175179A1/en
Publication of EP2175179A4 publication Critical patent/EP2175179A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
    • F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
    • F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
    • F16C33/7826—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of the opposing surface cooperating with the seal, e.g. a shoulder surface of a bearing ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
    • F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
    • F16C33/7883—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring mounted to the inner race and of generally L-shape, the two sealing rings defining a sealing with box-shaped cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Bearings (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
EP08792186A 2007-08-10 2008-08-05 Sealing device Withdrawn EP2175179A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007209353A JP2009041708A (en) 2007-08-10 2007-08-10 Sealing device
PCT/JP2008/063989 WO2009022569A1 (en) 2007-08-10 2008-08-05 Sealing device

Publications (2)

Publication Number Publication Date
EP2175179A1 EP2175179A1 (en) 2010-04-14
EP2175179A4 true EP2175179A4 (en) 2011-12-14

Family

ID=40350623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08792186A Withdrawn EP2175179A4 (en) 2007-08-10 2008-08-05 Sealing device

Country Status (5)

Country Link
US (1) US20110193294A1 (en)
EP (1) EP2175179A4 (en)
JP (1) JP2009041708A (en)
CN (1) CN101779068A (en)
WO (1) WO2009022569A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5757455B2 (en) * 2011-03-18 2015-07-29 Nok株式会社 Sealing device
WO2015190450A1 (en) * 2014-06-10 2015-12-17 Nok株式会社 Seal device
DE102014219859A1 (en) * 2014-09-30 2016-03-31 Aktiebolaget Skf Universal joint
US10954790B2 (en) * 2016-08-02 2021-03-23 Eagle Industry Co., Ltd. Stepped sealing device circumferential pumping groove
JP6782600B2 (en) * 2016-10-04 2020-11-11 ナブテスコ株式会社 Seal and seal mechanism
JP6432721B2 (en) 2016-11-25 2018-12-05 Nok株式会社 Sealing device
US10746228B2 (en) * 2017-10-23 2020-08-18 Amsted Rail Company, Inc. Temperature-robust polymer shroud for roller bearing seal
DE102020124608A1 (en) * 2019-10-04 2021-04-08 Aktiebolaget Skf Sealing device with dynamic sealing effect, especially for roller bearings
WO2023150924A1 (en) * 2022-02-09 2023-08-17 舍弗勒技术股份两合公司 Sealing ring

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928979A (en) * 1988-05-30 1990-05-29 Nok Corporation Sealing apparatus
JPH10246338A (en) * 1997-03-04 1998-09-14 Hino Motors Ltd Oil seal
US20040086212A1 (en) * 1999-11-17 2004-05-06 Ntn Corporation Wheel bearing and sealing device therefor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4448426B1 (en) * 1981-07-06 1997-09-23 Skf Usa Inc Unitized oil seals
US4531748A (en) * 1984-03-30 1985-07-30 Chicago Rawhide Manufacturing Co. Fluid seal with unitary wear sleeve element
US4822055A (en) * 1988-05-17 1989-04-18 General Motors Corporation Unitized bearing seal assembly
JPH0712762Y2 (en) * 1989-07-11 1995-03-29 エヌオーケー株式会社 Sealing device
US5722664A (en) * 1996-09-25 1998-03-03 The Timken Company Seal with pumping capabilities
JPH10252762A (en) 1997-03-12 1998-09-22 Nippon Seiko Kk Sealing device for rolling bearings
US6354598B1 (en) * 2000-02-15 2002-03-12 Skf Usa Inc. Oil seal including wear sleeve with hydrodynamic pattern
JP4099532B2 (en) * 2002-04-03 2008-06-11 内山工業株式会社 Combination seal
KR101242051B1 (en) * 2004-03-23 2013-03-12 엔오케이 가부시키가이샤 Sealing device with rotation detection element
DE102006047016B4 (en) * 2005-10-04 2020-06-04 Ntn Corp. Wheel bearing device
JP2007177815A (en) * 2005-12-27 2007-07-12 Jtekt Corp SEALING DEVICE AND ROLLING BEARING DEVICE USING THE SAME
JP5003862B2 (en) * 2006-03-31 2012-08-15 Ｎｏｋ株式会社 Sealing device
EP1862710B1 (en) * 2006-05-30 2009-05-27 Aktiebolaget SKF Low-friction annular sealing assembly for a centrifugal pump, in particular an internal combustion engine cooling liquid pump
US20070290451A1 (en) * 2006-06-16 2007-12-20 Yager Paul E Seal for rotating assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928979A (en) * 1988-05-30 1990-05-29 Nok Corporation Sealing apparatus
JPH10246338A (en) * 1997-03-04 1998-09-14 Hino Motors Ltd Oil seal
US20040086212A1 (en) * 1999-11-17 2004-05-06 Ntn Corporation Wheel bearing and sealing device therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009022569A1 *

Also Published As

Publication number Publication date
WO2009022569A1 (en) 2009-02-19
CN101779068A (en) 2010-07-14
EP2175179A1 (en) 2010-04-14
US20110193294A1 (en) 2011-08-11
JP2009041708A (en) 2009-02-26

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20100204

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20111114

RIC1 Information provided on ipc code assigned before grant

Ipc: F16C 33/72 20060101ALI20111108BHEP

Ipc: F16J 15/32 20060101AFI20111108BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20120612